ContentTypeUtil.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.util; 24 25 import com.liferay.portal.kernel.configuration.Configuration; 26 import com.liferay.portal.kernel.configuration.ConfigurationFactoryUtil; 27 import com.liferay.portal.kernel.util.StringPool; 28 import com.liferay.portal.kernel.util.StringUtil; 29 import com.liferay.portal.kernel.util.Validator; 30 31 /** 32 * <a href="ContentTypeUtil.java.html"><b><i>View Source</i></b></a> 33 * 34 * @author Alexander Chow 35 */ 36 public class ContentTypeUtil { 37 38 public static String getContentType(String fileName) { 39 return _instance._getContentType(fileName); 40 } 41 42 private ContentTypeUtil() { 43 _configuration = ConfigurationFactoryUtil.getConfiguration( 44 ContentTypeUtil.class.getClassLoader(), PropsFiles.CONTENT_TYPES); 45 } 46 47 private String _getContentType(String fileName) { 48 String[] array = StringUtil.split(fileName, StringPool.PERIOD); 49 50 String ext = array[array.length-1]; 51 52 String type = _configuration.get(ext); 53 54 if (Validator.isNull(type)) { 55 type = "application/octet-stream"; 56 } 57 58 return type; 59 } 60 61 private static ContentTypeUtil _instance = new ContentTypeUtil(); 62 63 private Configuration _configuration; 64 65 }